Case closed by UEFA going by a few translated tweets.
From here:
UEFA arquiva processo contra o FC Porto por racismo
Em causa estavam cânticos de teor racista alegadamente proferidos por Fernando Madureira, líder da claque Super Dragões.
www.sabado.pt
UEFA has closed the disciplinary proceedings against FC Porto that it opened after the alleged racist acts that took place at the Dragão stadium during the match with the Young Boys Swiss for the Europa League.
At issue are racist chants allegedly uttered by Fernando Madureira, leader of the Super Dragons cheerleader, as Nsame was preparing to hit a penalty against the home team.